Wave goodbye to the touchscreen

REVOLUTIONARY: A new technology based on ultrasound enables smartphones to recognise touchless hand gestures. — ©AFP/Relaxnews 2013

A new technology based on ultrasound enables smartphones to recognise touchless hand gestures. 

Created by Norwegian startup Elliptic Labs, the technology, which makes using a smartphone or a tablet like playing a video game via Microsoft's Kinect motion sensing system, is being showcased at this year's Ceatec in Japan.